net/mlx5e: kTLS, Improve connection rate by using fast update encryption key

As the fast DEK update is fully implemented, use it for kTLS to get
better performance.
TIS pool was already supported to recycle the TISes. With this series
and TIS pool, TLS CPS is improved by 9x higher, from 11k/s to 101k/s.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

1 files changed, 16 insertions, 10 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
index f80d6fce28d2..cf704f106b7c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
@@ -9,9 +9,8 @@
 #include "en_accel/ktls_utils.h"
 #include "en_accel/fs_tcp.h"
 
-int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
-			 struct tls_crypto_info *crypto_info,
-			 u32 *p_key_id)
+struct mlx5_crypto_dek *mlx5_ktls_create_key(struct mlx5_crypto_dek_pool *dek_pool,
+					     struct tls_crypto_info *crypto_info)
 {
 	const void *key;
 	u32 sz_bytes;
@@ -34,17 +33,16 @@ int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
 		break;
 	}
 	default:
-		return -EINVAL;
+		return ERR_PTR(-EINVAL);
 	}
 
-	return mlx5_create_encryption_key(mdev, key, sz_bytes,
-					  MLX5_ACCEL_OBJ_TLS_KEY,
-					  p_key_id);
+	return mlx5_crypto_dek_create(dek_pool, key, sz_bytes);
 }
 
-void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id)
+void mlx5_ktls_destroy_key(struct mlx5_crypto_dek_pool *dek_pool,
+			   struct mlx5_crypto_dek *dek)
 {
-	mlx5_destroy_encryption_key(mdev, key_id);
+	mlx5_crypto_dek_destroy(dek_pool, dek);
 }
 
 static int mlx5e_ktls_add(struct net_device *netdev, struct sock *sk,
@@ -190,6 +188,7 @@ static void mlx5e_tls_debugfs_init(struct mlx5e_tls *tls,
 
 int mlx5e_ktls_init(struct mlx5e_priv *priv)
 {
+	struct mlx5_crypto_dek_pool *dek_pool;
 	struct mlx5e_tls *tls;
 
 	if (!mlx5e_is_ktls_device(priv->mdev))
@@ -198,9 +197,15 @@ int mlx5e_ktls_init(struct mlx5e_priv *priv)
 	tls = kzalloc(sizeof(*tls), GFP_KERNEL);
 	if (!tls)
 		return -ENOMEM;
+	tls->mdev = priv->mdev;
 
+	dek_pool = mlx5_crypto_dek_pool_create(priv->mdev, MLX5_ACCEL_OBJ_TLS_KEY);
+	if (IS_ERR(dek_pool)) {
+		kfree(tls);
+		return PTR_ERR(dek_pool);
+	}
+	tls->dek_pool = dek_pool;
 	priv->tls = tls;
-	priv->tls->mdev = priv->mdev;
 
 	mlx5e_tls_debugfs_init(tls, priv->dfs_root);
 
@@ -217,6 +222,7 @@ void mlx5e_ktls_cleanup(struct mlx5e_priv *priv)
 	debugfs_remove_recursive(tls->debugfs.dfs);
 	tls->debugfs.dfs = NULL;
 
+	mlx5_crypto_dek_pool_destroy(tls->dek_pool);
 	kfree(priv->tls);
 	priv->tls = NULL;
 }